Materials may be classified as ferromagnetic, paramagnetic, or diamagnetic based on their response to an external magnetic field. General properties of Diamagnetic Material. The material response on the applied magnetic field can be used to distinguish the basic classes of materials: diamagnetic materials, paramagnetic materials, and ferromagnetic materials. Diamagnetism is a weak magnetism and is the fundamental property of all matter.. Diamagnetism is mainly due to the non-cooperative behavior of the orbital electrons under the application of an external magnetic field.. Moreover, enthusiasts are also catered with the detailed breakdown of the atomic, optical and chemical behaviour of the metals. Properties of Diamagnetic Materials. Diamagnetic materials, like water, or water-based materials, have a relative magnetic permeability that is less than or equal to 1, and therefore a magnetic susceptibility less than or equal to 0, since susceptibility is defined as χ v = μ v − 1. In diamagnetic substances, all the atoms have paired electrons and there are no unpaired electrons in … Properties of Dimagnetic Substances 1. 2. Figure \(\PageIndex{2}\) shows a levitating piece of graphite. So, Diamagnetism is a quantum mechanical effect that occurs in all materials; when it is the only contribution to the magnetism, the material is called diamagnetic. Diamagnetic levitation A small (~6mm) piece of pyrolytic graphite (a material similar to graphite) levitating over a permanent gold magnet array (5mm cubes on a piece of steel). Diamagnetic Materials The substances which when placed in a magnetising field get feebly magnetised in a direction opposite to magnetising field are called diamagnetic. But, in materials that show other magnetic properties such as paramagnetism and ferromagnetism , the effect of diamagnetism is negligible. Diamagnetic materials have a weak, negative susceptibility to magnetic fields. Generally, all materials have the diamagnetic properties, making a weak contribution to the magnetic behaviour of the material when subjected to an external magnetic field. Diamagnetism is a weak effect in many of the materials, that can be detected only by the sensitive laboratory instruments; a superconductor, besides, acts as a strong diamagnet due to the reason, it repels a magnetic field completely from its interior. Magnetic moments of of Magnetic materials Diamagnetism. The materials which have net magnetic moments i.e., those materials which reveal para and ferromagnetism, the diamagnetism in those materials becomes overshadowed due to its weak value. In all the cases the principal origin of the magnetic properties lies in electron cloud of the atom of a given species. Diamagnetic Metals + properties give you a broad overview of these metals from multiple angels. 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